On Mon, Mar 03, 2014 at 11:56:08AM +0530, shashwat shriparv wrote: > Ya its always better to change the temp dir path in hadoop, as it will prevent > deletion of file while the server reboots.
Thanks, so is there anyway to recovery from this state? Or I have to format namenode again? -- Thanks, Chengwei > > > Warm Regards_∞_ > Shashwat Shriparv > http://www.linkedin.com/pub/shashwat-shriparv/19/214/2a9https://twitter.com/ > shriparvhttps://www.facebook.com/shriparvhttp://google.com/+ShashwatShriparv > http://www.youtube.com/user/sShriparv/videoshttp://profile.yahoo.com/ > SWXSTW3DVSDTF2HHSRM47AV6DI/ > > > > On Mon, Mar 3, 2014 at 11:52 AM, Chengwei Yang <chengwei.yang...@gmail.com> > wrote: > > On Mon, Mar 03, 2014 at 11:25:59AM +0530, shashwat shriparv wrote: > > You can use any directory you like beside permissions are right. > > I mean if it's better if we change the default hadoop.tmp.dir? Because it > can not work cross reboot in default Linux environment. > > -- > Thanks, > Chengwei > > > > > > > Warm Regards_∞_ > > Shashwat Shriparv > > http://www.linkedin.com/pub/shashwat-shriparv/19/214/2a9https:// > twitter.com/ > > shriparvhttps://www.facebook.com/shriparvhttp://google.com/ > +ShashwatShriparv > > http://www.youtube.com/user/sShriparv/videoshttp://profile.yahoo.com/ > > SWXSTW3DVSDTF2HHSRM47AV6DI/ > > > > > > > > On Mon, Mar 3, 2014 at 11:07 AM, Chengwei Yang < > chengwei.yang...@gmail.com> > > wrote: > > > > Hi List, > > > > I'm confusing by hadoop.tmp.dir currently because its default value > > "/tmp/hadoop-${user.name}" always means a directory in tmpfs in > Linux. > > So after the name node machine reboot, it gone away and then name > node > > fail to start. > > > > I found this was reported here. > > > http://mail-archives.apache.org/mod_mbox/hadoop-hdfs-user/201205.mbox > / > > %3cbay148-w22bf95c5fbe2c40bf7cd9f86...@phx.gbl%3E > > > > As I found from http://hadoop.apache.org/docs/r2.3.0/, there are a > lot > > properties are based on hadoop.tmp.dir, like > > dfs.namenode.name.dir file://${hadoop.tmp.dir}/dfs/name > > > > I'm wondering, if we can set the default value of hadoop.tmp.dir to > > a non-tmpfs direcotry if it doesn't work at all by using a real > tmpfs > > directory? > > > > -- > > Thanks, > > Chengwei > > > > > >
